Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

[qemu.git] / hw / s390x / s390-virtio-ccw.c

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index bc4dc2ae8abaffd521e786aa6a400eb12d984d66..3d20d6a0f72b8d6bf7e538be70533bcbdef15b1f 100644 (file)
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -18,9 +18,22 @@
 #include "css.h"
 #include "virtio-ccw.h"
 #include "qemu/config-file.h"
+#include "s390-pci-bus.h"
 
 #define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
 
+#define S390_CCW_MACHINE(obj) \
+    OBJECT_CHECK(S390CcwMachineState, (obj), TYPE_S390_CCW_MACHINE)
+
+typedef struct S390CcwMachineState {
+    /*< private >*/
+    MachineState parent_obj;
+
+    /*< public >*/
+    bool aes_key_wrap;
+    bool dea_key_wrap;
+} S390CcwMachineState;
+
 void io_subsystem_reset(void)
 {
     DeviceState *css, *sclp, *flic;
@@ -54,7 +67,7 @@ static int virtio_ccw_hcall_notify(const uint64_t *args)
     if (!sch || !css_subch_visible(sch)) {
         return -EINVAL;
     }
-    if (queue >= VIRTIO_PCI_QUEUE_MAX) {
+    if (queue >= VIRTIO_CCW_QUEUE_MAX) {
         return -EINVAL;
     }
     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
@@ -91,10 +104,12 @@ static void ccw_init(MachineState *machine)
     uint8_t *storage_keys;
     int ret;
     VirtualCssBus *css_bus;
+    DeviceState *dev;
     QemuOpts *opts = qemu_opts_find(qemu_find_opts("memory"), NULL);
     ram_addr_t pad_size = 0;
     ram_addr_t maxmem = qemu_opt_get_size(opts, "maxmem", my_ram_size);
     ram_addr_t standby_mem_size = maxmem - my_ram_size;
+    uint64_t kvm_limit;
 
     /* The storage increment size is a multiple of 1M and is a power of 2.
      * The number of storage increments must be MAX_STORAGE_INCREMENTS or fewer.
@@ -119,14 +134,28 @@ static void ccw_init(MachineState *machine)
 
     /* let's propagate the changed ram size into the global variable. */
     ram_size = my_ram_size;
+    machine->maxram_size = my_ram_size + standby_mem_size;
+
+    ret = s390_set_memory_limit(machine->maxram_size, &kvm_limit);
+    if (ret == -E2BIG) {
+        hw_error("qemu: host supports a maximum of %" PRIu64 " GB",
+                 kvm_limit >> 30);
+    } else if (ret) {
+        hw_error("qemu: setting the guest size failed");
+    }
 
     /* get a BUS */
     css_bus = virtual_css_bus_init();
     s390_sclp_init();
     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
-                      machine->initrd_filename, "s390-ccw.img");
+                      machine->initrd_filename, "s390-ccw.img", true);
     s390_flic_init();
 
+    dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
+    object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
+                              OBJECT(dev), NULL);
+    qdev_init_nofail(dev);
+
     /* register hypercalls */
     virtio_ccw_register_hcalls();
 
@@ -164,6 +193,10 @@ static void ccw_init(MachineState *machine)
 
     /* Create VirtIO network adapters */
     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
+
+    /* Register savevm handler for guest TOD clock */
+    register_savevm(NULL, "todclock", 0, 1,
+                    gtod_save, gtod_load, kvm_state);
 }
 
 static void ccw_machine_class_init(ObjectClass *oc, void *data)
@@ -171,9 +204,6 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     NMIClass *nc = NMI_CLASS(oc);
 
-    mc->name = "s390-ccw-virtio";
-    mc->alias = "s390-ccw";
-    mc->desc = "VirtIO-ccw based S390 machine";
     mc->init = ccw_init;
     mc->block_default_type = IF_VIRTIO;
     mc->no_cdrom = 1;
@@ -181,14 +211,66 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
     mc->no_serial = 1;
     mc->no_parallel = 1;
     mc->no_sdcard = 1;
-    mc->use_sclp = 1,
+    mc->use_sclp = 1;
     mc->max_cpus = 255;
     nc->nmi_monitor_handler = s390_nmi;
 }
 
+static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
+{
+    S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
+
+    return ms->aes_key_wrap;
+}
+
+static inline void machine_set_aes_key_wrap(Object *obj, bool value,
+                                            Error **errp)
+{
+    S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
+
+    ms->aes_key_wrap = value;
+}
+
+static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
+{
+    S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
+
+    return ms->dea_key_wrap;
+}
+
+static inline void machine_set_dea_key_wrap(Object *obj, bool value,
+                                            Error **errp)
+{
+    S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
+
+    ms->dea_key_wrap = value;
+}
+
+static inline void s390_machine_initfn(Object *obj)
+{
+    object_property_add_bool(obj, "aes-key-wrap",
+                             machine_get_aes_key_wrap,
+                             machine_set_aes_key_wrap, NULL);
+    object_property_set_description(obj, "aes-key-wrap",
+            "enable/disable AES key wrapping using the CPACF wrapping key",
+            NULL);
+    object_property_set_bool(obj, true, "aes-key-wrap", NULL);
+
+    object_property_add_bool(obj, "dea-key-wrap",
+                             machine_get_dea_key_wrap,
+                             machine_set_dea_key_wrap, NULL);
+    object_property_set_description(obj, "dea-key-wrap",
+            "enable/disable DEA key wrapping using the CPACF wrapping key",
+            NULL);
+    object_property_set_bool(obj, true, "dea-key-wrap", NULL);
+}
+
 static const TypeInfo ccw_machine_info = {
     .name          = TYPE_S390_CCW_MACHINE,
     .parent        = TYPE_MACHINE,
+    .abstract      = true,
+    .instance_size = sizeof(S390CcwMachineState),
+    .instance_init = s390_machine_initfn,
     .class_init    = ccw_machine_class_init,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_NMI },
@@ -196,9 +278,26 @@ static const TypeInfo ccw_machine_info = {
     },
 };
 
+static void ccw_machine_2_4_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+
+    mc->name = "s390-ccw-virtio-2.4";
+    mc->alias = "s390-ccw-virtio";
+    mc->desc = "VirtIO-ccw based S390 machine v2.4";
+    mc->is_default = 1;
+}
+
+static const TypeInfo ccw_machine_2_4_info = {
+    .name          = TYPE_S390_CCW_MACHINE "2.4",
+    .parent        = TYPE_S390_CCW_MACHINE,
+    .class_init    = ccw_machine_2_4_class_init,
+};
+
 static void ccw_machine_register_types(void)
 {
     type_register_static(&ccw_machine_info);
+    type_register_static(&ccw_machine_2_4_info);
 }
 
 type_init(ccw_machine_register_types)